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Starting @ $11,950
Incredible Torque And Horse Power
Pontiac 461 stroker with 475 HP engine package with Edelbrock aluminum heads and a forged rotating assemble. Can be custom designed to match your specific needs. All engines can be custom painted to match your vehicle at your request. We can outfit your engine with the exclusive March Performance serpentine belt system.  We can also assist you in choosing the proper transmission and stall speed converter combination for your vehicle and have it shipped directly to you as your performance crate engine is being built.

 

Horsepower 475 @ 5997 RPM
Torque 525 Ft. Lbs @ 3500 RPM
Bore & Stroke  

 

461 475HP

  • A seasoned 400 Pontiac block
  • Bored and honed with deck plate
  • Mains have been Align Honed
  • Block has been decked 
  • New Dura Bond cam bearing installed
  • New Brass freeze plug and oil galley kit installed
  • Block painted with 3 coats of high temp ceramic engine paint customers choice of color (have your engine custom painted to match your vehicle for an additional $300)
  • New Eagle Stroker Crankshaft w/4.210 Stroke
  • New Eagle 3-D 4340 Steel H-Beam Connecting Rods
  • New set of SRP or Mahle high performance pistons
  • Assembled with a set of hand filed performance rings
  • New three piece true double roller timing set
  • New Comp Cams Custom Ground High Performance Street Camshaft With A Muscle Car Chop
  • A Set Of Comp Cams Tie-Bar Hydraulic Roller lifters
  • A Set Of Edelbrock Aluminum Cylinder Heads With 2.11 Intake And 1.66 Exhaust Valves
  • (16) Chrome moly push rods
  • (16) Scorpion aluminum roller rockers
  • All new ARP head bolts
  • Engine will be assembled with all new bolts
  • High volume oil pump and screen
  • New chrome oil pan
  • New chrome dip stick and tube

 

  • New timing cover
  • A reclaimed valley pan
  • Professional Products performance balancer
  • Fel-pro performance gaskets
  • The complete rotating assembly will be balanced
  • Edelbrock Performance intake manifold
  • New chrome thermostat housing
  • Edelbrock carburetor w/ electric choke 
  • New chrome air cleaner
  • MSD Pro-Billet distributor
  • MSD Blaster II coil and bracket
  • MSD 6AL ignition control
  • (8) AC Delco spark plugs
  • Custom fit Taylor 8mm ignition wires (color of choice black, red, blue, yellow, green, orange no extra charge)
  • High flow water pump
  • New set of chrome valve covers
  • New chrome breather
  • Flex plate (for auto transmission)
  • Engines are photo documented during the building process so you can see the quality of parts and workmanship that goes into your engine
  • Each engine is live run tested, timing set and carburetor adjusted for optimum performance
  • We video tape your live run engine and send you a copy
  • Engine will come with a limited warranty

 

 
All engines are custom built to order for total customer satisfaction
Credit cards accepted
Call us today for a quote
1-800-267-3940
* Please Review Our Cancellation/Return Policy Before Making A Purchase*
 
PROFORMANCE UNLIMITED INC. RESERVES THE RIGHT TO MAKE CHANGES IN DESIGN OR TO MAKE ADDITIONS TO OR IMPROVEMENTS UPON ANY OF ITS PRODUCTS AT ANY TIME WITHOUT INCURRING ANY OBLIGATION WHATSOEVER TO INSTALL THE SAME OR IMPROVEMENT UPON PRODUCTS PREVIOUSLY MANUFACTURED. OCCASIONALLY DEPENDING ON AVAILABILITY, PARTS MAY BE SUBSTITUTED THAT WILL NOT EFFECT PRICE, PERFORMANCE, APPEARANCE OR QUALITY OF THE PRODUCT.